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4-Aminodiphenyl

Synonyms & Trade Names
4-Aminobiphenyl, p-Aminobiphenyl, p-Aminodiphenyl, 4-Phenylaniline
CAS No.
92-67-1
RTECS No.
DU8925000
DOT ID & Guide
Formula
C6H5C6H4NH2
Conversion
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
: Ca See Appendix A
OSHA PEL
: [1910.1011] See Appendix B
Measurement Methods

NIOSH P&CAM269 (II-4);
OSHA 93
See: NMAM or OSHA Methods
Physical Description
Colorless crystals with a floral odor. [Note: Turns purple on contact with air.]
MW:
169.2
BP:
576°F
MLT: 127°F
Sol:
Slight
VP(227°F): 1 mmHg
IP:
?
Sp.Gr:
1.16
Fl.P:
?
UEL:
?
LEL:
?
Combustible Solid, but must be preheated before ignition possible.
Incompatibilities & Reactivities
Oxidized by air
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
headache, dizziness; drowsiness, dyspnea (breathing difficulty); ataxia, lassitude (weakness, exhaustion); methemoglobinemia; urinary burning; acute hemorrhagic cystitis; [potential occupational carcinogen]
Target Organs
Bladder, skin
Cancer Site
[bladder cancer]
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

(See Appendix E)

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0759   See MEDICAL TESTS: 0012
 
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